Home / 816,508,292.50-1,224,769,526.76-263,810,779.90

Finding the Fourth Proportional to 816,508,292.50, 1,224,769,526.76 and 263,810,779.90

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Solution

The fourth proportional to 816,508,292.50, 1,224,769,526.76 and 263,810,779.90 is: 395,718,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,508,292.50 : 1,224,769,526.76 = 263,810,779.90 : x
  2. Step 2: Convert to fraction form
    816,508,292.50/1,224,769,526.76 = 263,810,779.90/x
  3. Step 3: Cross multiply
    816,508,292.50x = 1,224,769,526.76 × 263,810,779.90
  4. Step 4: Simplify right side
    816,508,292.50x = 323,107,404,052,309,504
  5. Step 5: Solve for x
    x = 323,107,404,052,309,504/816,508,292.50
  6. Step 6: Final answer
    x = 395,718,459.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.